Home / 5,201,145.40-7,801,718.10-3,185,606.20

Finding the Fourth Proportional to 5,201,145.40, 7,801,718.10 and 3,185,606.20

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Solution

The fourth proportional to 5,201,145.40, 7,801,718.10 and 3,185,606.20 is: 4,778,409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201,145.40 : 7,801,718.10 = 3,185,606.20 : x
  2. Step 2: Convert to fraction form
    5,201,145.40/7,801,718.10 = 3,185,606.20/x
  3. Step 3: Cross multiply
    5,201,145.40x = 7,801,718.10 × 3,185,606.20
  4. Step 4: Simplify right side
    5,201,145.40x = 24,853,201,550,012.22
  5. Step 5: Solve for x
    x = 24,853,201,550,012.22/5,201,145.40
  6. Step 6: Final answer
    x = 4,778,409.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.